查询词典 fourteen
- 与 fourteen 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A comparative study on the field attraction effects of different amounts on Chlorophorus diadema showed that fourteen test attractants had a certain trapping ability to Chlorophorus diadema, among which, D was the strongest, with a mean trappability of 0.82%; H took the second place, with a mean trappability of 0.64%; while G was the weakest, with a mean trappability of 0.11%.
本实验研究了14种引诱剂对槐绿虎天牛的诱捕效果,结果表明,14种引诱剂对槐绿虎天牛都有一定的引诱效果。野外诱捕结果显示:引诱剂D的效果最好,日平均诱捕率为0.82%;H次之,为0.64%;G最弱,日平均诱捕率为0.11%。
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The results of the study on the occurrence, distrbution and natural control effect of fourteen parasitic wasps parasitized on two scales in Zhejiang citrus planting areas are presented. The results indicated that Microterys flovus How., M. ceroplastae Prirtsloo, M.sp and Metaphycus pulvinariae How. of Encyrtidae and Coccophagus iycimnia of Aphelindae are predominant, the rate of parasitism is 80-100%. If any one of the above mentioned five species of parasitic wasp is occurred in the orchard, the damage caursed by those two scales could be controlled.
本文对浙江桔区这两类蚧虫的14种寄生蜂的发生、分布及其天然制约作用进行了深入研究,以跳小蜂科的软蚧花翅跳小蜂、蜡蚧花翅跳小蜂、黑褐花翅跳小蜂、软蚧阔柄跳小蜂和蚜小蜂科的赖食软蚧蚜小蜂为优势种,寄生率高达80%~100%,在桔园只要有上述5种中任何一种寄生蜂存在,足以控制两类蚧虫为害。
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The Yangtze River Delta,the most energic area on developing economy in China, has almost quadrupled the volume of freight handled in its fourteen major ports over the past seven years.
我国物流业近年来一直保持20%以上的增长速度。在经济发展最具活力的长三角地区,仅14个主要港口货物吞吐量最近7年间就增长了近3倍。
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In this paper,the inductively coupled plasma atomic emission spectrometry method by which the matrix was matched to the calibration curve was proposed for the direct determination of fourteen trace elements in potassium fluotantalate .
提出了基体匹配标准曲线,电感耦合等离子体发射光谱法直接测定氟钽酸钾中十四种杂质元素的分析方法。
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The boy, fourteen gangly years old and furiously embarrassed, said nothing.
这个十四岁的身材瘦长男孩,非常地不安,他什么话也没说。
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Results:thrity-one drugs were sfited by germinative test,twenty-one by agar diffusion method,fourteen by both method.
结果 :应用芽管试验法筛选的有效药物有 31种,应用琼脂扩散法筛选的有效药物有 2 1种,其中两种方法均有效的有 1 4种。
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Objective To investigate the clinical effect of PPH in the treatment of gerontism severe mixed hemorrhoids.Methods One hundred and fourteen patients with severe mixed hemorrhoids,hospitalized to our hospital from 2002 to 2005,were treated with PPH and Milligan-Margan.Operative time,length of hospitalization,time return to work and complication of two groups were compared.
目的 探讨吻合器痔切除术(procedure for prolapse and hemorrhoids,PPH)治疗老年重度混合痔的应用价值方法对我院普外科收治的114例Ⅲ~Ⅳ期以内痔主的高龄环状混合痔患者应用PPH和Milligan法进行治疗,并对两术式疗效、手术时间、住院时间、恢复工作时间、并发症等进行全面比较分析。
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Therefore, pursuant to the above authority, I herby proclaim that such gold and silver holdings are prohibited, and that all such coin, bullion or other possessions of gold and silver be tendered within fourteen days to agents of the Government of the United States for compensation at the official price, in the legal tender of the Government.
根据上述权柄,我特宣布,禁止人民拥有黄金和白银,包括所有的硬币、金条或其他的金银必须于14天之内上缴给美国政府的相关机构,并按官方价格获得补偿,即获取政府的法定货币。
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Fourteen sediment samples with different content of Fe〓O〓 were collected from lower reach of the Liao River in China. The photodegradation of γ-hexachlorocyclohexane on the sediment surfaces was investigated to observe the effects of Fe〓O〓 and other photoinducable substances, such as TiO〓 and organic substances, on photodegradation of γ-HCH.
从辽河新民段采集了14种具有不同含量的Fe〓O〓的天然沉积物,为了探讨沉积物中Fe〓O〓和其它具有光诱导和光催化能力的物质如TiO〓和有机质成分对沉积物表面上的林丹的光解的影响,研究了γ-HCH在这些沉积物表面上的光解动力学。
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Then ω-iodo hexadecanoic acid and ωbromo long-chained fatty acids with fourteen, fifteen and sixteen carbons were prepared from 1,ω-fifteen or sixteen carbon dibasic fatty acids in four steps of organic reactions respectively.
以天然酒石酸为原料,经过十二步有机反应,制备了两个手性甘油中间体(合成路线中含六个未见文献报道的化合物,但两个没有分离)。
- 相关中文对照歌词
- Fourteen Rivers Fourteen Floods
- Fourteen Black Paintings
- Fourteen
- Fourteen Pictures
- Fourteen Minutes
- Fourteen & 40s
- Sixteen, Fifteen, Fourteen
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力